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	Forum	Author	Created	Posts	Views	Activity
Hit and Runs	HF Contesting	K4WDR	Nov 24th 2015, 11:19	1	8,864	on 24/11/15 by K4WDR
History of Special Event Stations	Welcome to the ARRL Forums	KV4TG	Mar 22nd 2019, 15:10	1	5,901	on 22/3/19 by KV4TG
History of Relay Rack Dimensions?	General Technical Q & A	W1VT	Oct 17th 2011, 12:58	2	9,516	on 25/10/11 by AG4AT
History of Band Plan Allocation?	General Technical Q & A	SSHR	Aug 23rd 2021, 19:53	1	5,155	on 23/8/21 by SSHR
Hiram Maxim Bio Movie	Bulletin Board	K2GD	Mar 7th 2012, 00:28	2	12,963	on 7/3/12 by aa6e
High Voltage power lines	RFI - Discussion and Q&A	N0LD	May 1st 2012, 21:09	3	8,229	on 11/5/12 by N9AAT
High SWR on all bands	Antennas, feed lines, baluns and antenna tuners	N2SDB	Nov 5th 2022, 15:22	4	2,961	on 6/12/22 by W1VT
High SWR Inverted L	Antennas, feed lines, baluns and antenna tuners	KC7QHE	Jul 26th 2014, 22:46	5	6,480	on 6/5/15 by W1VT
High Rise Condo Problems	General Technical Q & A	KB9CZ	Nov 10th 2012, 12:32	5	6,231	on 22/4/13 by K6DMB
High Minimum SWR (2.5 - 3.0) on 20m	Antennas, feed lines, baluns and antenna tuners	WA2FTV	Apr 3rd 2016, 10:53	5	5,448	on 6/5/16 by W1VT
High CPU load / battery drain in fldigi on OSX	Digital modes and operation	2E0ECN	Jul 19th 2015, 16:01	1	6,431	on 19/7/15 by 2E0ECN
Hi Fi AM	AM operating and techniques	1000095588H80	Nov 13th 2013, 03:14	4	15,582	on 26/11/13 by K4KYV
Hi All	Welcome to the ARRL Forums	tuulen	Aug 1st 2014, 16:12	1	6,936	on 1/8/14 by tuulen
Hi all	Can't Find an Emergency Communications Class?	emilymaers@proton.me	Apr 7th, 02:45	1	3,908	on 7/4/24 by emilymaers@proton.me
Hi all	Can't Find an Emergency Communications Class?	emilymaers@proton.me	Apr 13th, 17:29	2	817	on 22/4/24 by jimmycrosby45@gmail.com
HF Vertical antennas	Welcome to the ARRL Forums	KJ5GY	Nov 9th 2023, 19:43	1	1,220	on 9/11/23 by KJ5GY
HF VERTICAL ANTENNA COMET CHA-250B	Antennas, feed lines, baluns and antenna tuners	HK5FCI	Apr 28th 2013, 14:59	3	7,740	on 13/11/13 by KT8DX
HF use of squelch	AM operating and techniques	wheelgunnut	Aug 21st 2017, 20:43	2	11,151	on 22/8/17 by aa6e
HF transmitter causing TV to shut off	RFI - Discussion and Q&A	w1rfi	Jul 24th 2011, 10:34	4	12,464	on 27/10/11 by N9AH
HF RFI from plasma TVs?	RFI - Discussion and Q&A	W0RSB	Oct 30th 2011, 15:24	2	8,211	on 30/10/11 by W0BTU